Patent Assignment
Reel/Frame 020913/0599
Merger
Recorded: 2008-05-07
Pages: 4
Assignor
HYDRIL COMPANY LP
Executed: 2007-06-29
Assignee
HYDRIL GENERAL LLC
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032-3411
Covered Properties
(7)
Flow Diverter
Patent:
4,971,148 →
Application:
07/303,905 →
Carbon Black System and Improved Rubber Stock
Patent:
5,294,253 →
Application:
08/056,821 →
Actuator for a Drill String Internal Blowout Preventer
Patent:
5,507,467 →
Application:
08/116,456 →
Free Flow Low Energy Pipe Protector
Patent:
5,542,454 →
Application:
08/224,753 →
Blowout Preventer Ram for Coil Tubing
Patent:
5,575,451 →
Application:
08/434,042 →
Deep Water Riser Assembly
Patent:
5,676,209 →
Application:
08/559,638 →
Fibrous Seal for Blowout Preventer
Patent:
5,713,581 →
Application:
08/604,264 →
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 9, 1996
From: KIM, HYUN JIK
To: SAMMI COMPUTER SERVICE COMPANY, LTD.
Reel/Frame 008181/0178 →
Assignment of Assignor's Interest
Sep 23, 2003
From: HYDRIL COMPANY
To: HYDRIL COMPANY LP
Reel/Frame 014499/0197 →
Assignment of Assignor's Interest
Dec 2, 2003
From: HYDRIL COMPANY
To: HYDRIL COMPANY LP
Reel/Frame 014763/0830 →
Release of Lien
Jun 16, 2004
From: CHASE BANK OF TEXAS, NATIONAL ASSOCIATION
To: HYDRIL COMPANY
Reel/Frame 014734/0860 →
Change of Name
May 7, 2008
From: HYDRIL GENERAL LLC
To: HYDRIL LLC
Reel/Frame 020913/0541 →
Assignment of Assignor's Interest
Jun 5, 2008
From: HYDRIL LLC
To: HYDRIL USA MANUFACTURING LLC
Reel/Frame 021050/0491 →